Add 42/72 and 63/54
1st number: 42/72, 2nd number: 1 9/54
42/72 + 63/54 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
42/72 = 42 × 3/72 × 3 = 126/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
63/54 = 63 × 4/54 × 4 = 252/216 - Add the two like fractions:
126/216 + 252/216 = 126 + 252/216 = 378/216 - 378/216 simplified gives 7/4
- So, 42/72 + 63/54 = 7/4
In mixed form: 13/4
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